What weight capacity do I need in a bed frame?

A bed frame needs to support at least 600 lbs for most couples, or roughly your combined body weight plus 200 lbs of mattress and bedding buffer. Solo sleepers on a full or queen typically need a minimum of 500 lbs.

Manufacturers list weight capacity for the entire sleep system, sleepers, mattress, pillows, and any bedding, not bodies alone. A frame rated at 500 lbs sounds sufficient for two adults totaling 380 lbs, but add a 60-lb hybrid mattress and you're already at 440 lbs, leaving almost no safety margin. Center support legs are the variable that most directly determines whether a bed frame reaches its stated capacity without sagging; frames without them routinely fail below the listed limit on mattresses thicker than 12 inches.

Minimum recommended bed frame weight capacity for two average adults: 600–700 lbs.
Solo sleeper minimum on a full or queen bed frame: 500 lbs.
A typical hybrid or innerspring queen mattress adds 60–100 lbs to the total load.
Bed frames without a center support leg typically lose 20–30% of their effective load rating on queen and king sizes.
Heavy-duty bed frames designed for larger sleepers are commonly rated at 1,000–2,000 lbs with reinforced steel center supports.